238461440

素因数分解:

$2^9\times 5^1\times 7^2\times {\mathrm{1901}}^1$

素因数の和:1938

約数の個数: 120

約数和(自身を含む): 665445132

約数和(自身を除く): 426983692

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 98, 112, 128, 140, 160, 196, 224, 245, 256, 280, 320, 392, 448, 490, 512, 560, 640, 784, 896, 980, 1120, 1280, 1568, 1792, 1901, 1960, 2240, 2560, 3136, 3584, 3802, 3920, 4480, 6272, 7604, 7840, 8960, 9505, 12544, 13307, 15208, 15680, 17920, 19010, 25088, 26614, 30416, 31360, 38020, 53228, 60832, 62720, 66535, 76040, 93149, 106456, 121664, 125440, 133070, 152080, 186298, 212912, 243328, 266140, 304160, 372596, 425824, 465745, 486656, 532280, 608320, 745192, 851648, 931490, 973312, 1064560, 1216640, 1490384, 1703296, 1862980, 2129120, 2433280, 2980768, 3406592, 3725960, 4258240, 4866560, 5961536, 6813184, 7451920, 8516480, 11923072, 14903840, 17032960, 23846144, 29807680, 34065920, 47692288, 59615360, 119230720, 238461440]

約数ペア:

[(1, 238461440), (2, 119230720), (4, 59615360), (5, 47692288), (7, 34065920), (8, 29807680), (10, 23846144), (14, 17032960), (16, 14903840), (20, 11923072), (28, 8516480), (32, 7451920), (35, 6813184), (40, 5961536), (49, 4866560), (56, 4258240), (64, 3725960), (70, 3406592), (80, 2980768), (98, 2433280), (112, 2129120), (128, 1862980), (140, 1703296), (160, 1490384), (196, 1216640), (224, 1064560), (245, 973312), (256, 931490), (280, 851648), (320, 745192), (392, 608320), (448, 532280), (490, 486656), (512, 465745), (560, 425824), (640, 372596), (784, 304160), (896, 266140), (980, 243328), (1120, 212912), (1280, 186298), (1568, 152080), (1792, 133070), (1901, 125440), (1960, 121664), (2240, 106456), (2560, 93149), (3136, 76040), (3584, 66535), (3802, 62720), (3920, 60832), (4480, 53228), (6272, 38020), (7604, 31360), (7840, 30416), (8960, 26614), (9505, 25088), (12544, 19010), (13307, 17920), (15208, 15680)]